67412-99-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67412-99-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,4,1 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67412-99:
(7*6)+(6*7)+(5*4)+(4*1)+(3*2)+(2*9)+(1*9)=141
141 % 10 = 1
So 67412-99-1 is a valid CAS Registry Number.